Block height - The block quantity and size in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://linkingbookmark.com/story20195047/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-lamm-tolstrup-3-blogbright-net-investigating-the-unseen-the-role-of-blockchain-explorers-in-the-copyright-world